Some Antioxidant Supplements May Raise Death Risk

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Both the American Heart Association and the American Cancer Society have said that the evidence for the benefits of antioxidant supplements is inconclusive. Both recommend getting antioxidants from a diet rich in fruits and vegetables.

But some studies have hinted at benefits for specific conditions, Blumberg said. For example, there is some evidence that taking antioxidant supplements may slow the development of neurological problems such as Alzheimer's disease in older people, he said.

The research center that Blumberg heads receives no funding from the supplement industry, Blumberg noted. About 85 percent of its money comes from federal agencies, with the rest given by producers of products such as California oranges.

More information

There's more on antioxidants at the American Heart Association.